Mars (IMAGE)

Harvard John A. Paulson School of Engineering and Applied Sciences

Mars

Caption

SEAS researchers suggest that early Mars may have been warmed intermittently by a powerful greenhouse effect, possibly explaining water on the planet's surface billions of years ago.

Credit

NASA

Usage Restrictions

with credit

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.